1.welding neck flange/WN flange/flange 
2. 20 years professional service 
3.Size:1/2"-80“,TUV,PED,ISO 
4.To be equality and mutual benefit 

Welding neck flange/WN flange/flange manufacurer, We are a operation 20 years of flange manufacturer ,that's the best proof of our product and service quality. 

1.  Welding neck Flanges  This group of flanges is designed with a hub on the backside tapering to a diameter that will match the pipe to which it will be welded.

2.   Win-Win cooperation is our aim of operation, we desire cooperation not just business only.

3.   Forging technics ensure our flange can bear high pressure and more durability

4·  Size: 1/2”(DN15)-80(DN2000)” 

5.  Flange Material:

    Carbon steel(A105,A36,Rst37.2,St37.2,C22.8,SA350,LF2/LF1,Q235,Q345,SS400)
    Stainless Steel (ASTM A182 F304/304L, F316/316L,F321)
    Alloy Steel (ASTM A182F1, F2, F5/A, F6/A, F9, F11, F12,F22, F91)
·

6. WN flange Pressure:

 ASTM B16.5:150LBS,300LBS,400LBS,600LBS,900LBS,1500LBS,2500LBS

 DIN:6Bar,10Bar,16Bar,25Bar,40Bar,

 BS4504,PN2.5-PN440,BS10:Table D,E,F,H,

 JIS:5K,10K,16K,20K,30K

 
· Face Type: F.F., R.F., R.T.J.

7. Our flange components pass the certification as follow:

  8.Sincerely welcome contact us for further conversation on welding neck flange/WN flange/flange  

9.  Non Standard Flange: According to the drawing size/charting from dn15 to dn2000,weight from 0.5 kg to 5 tons.